Auto-tuning switching regulator
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United States of America Patent
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Sep 13, 2016
Grant Date -
Sep 25, 2014
app pub date -
Mar 15, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
In an example, a system and method are disclosed for providing a single control law that is operable to regulate both small-signal, steady-state operation, and large-signal transients of a switching regulator. The control law is based on detecting a zero-crossing of capacitor current, and projecting in advance a turning point for either ramping up or ramping down capacitor voltage at a target voltage. Certain embodiments may realize the control function in high-speed analog components, although certain other embodiments may implement the same or a similar control law in a digital controller.
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